TANYA CHAPTER 31 Part Nine "Joy for Every Body" Maintaining happiness; protecting soul joy from bodily frustration.
Tanya Chapter 23 Part Two You've got Class! “Divine Drive” Performing divine instructions turns us into a moving vehicle for Hashem!
TANYA CHAPTER 16: PART Three When our Spiritual Emotions Fail to Ignite http://www.chabad.org/library/tanya/tanya_cdo/aid/7895/jewish/Chapter-16.htm